KTM 144 SX - 2008 Specifications and Reviews

The 2008 KTM 144 SX is a lightweight 144cc two-stroke enduro bike designed for younger and smaller-framed riders seeking an affordable entry point into off-road racing. Known for its nimble handling and aggressive styling, this liquid-cooled single-cylinder machine delivers punchy performance through a six-speed transmission, making it ideal for cross-country and motocross terrain.

2008
5 stars Average rating: 5 from 1 votes
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General information

CategoryEnduro / offroad
Year2008
ModelKTM 144 SX
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch, operated hydraulically
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMixture oil lubrication 1:40
StarterKick
IgnitionKokusan digital Magnet CDI
Fuel systemCarburettor. Keihin PWK 39
Bore x stroke56.0 x 58.5 mm (2.2 x 2.3 inches)
Stroke2
Engine typeSingle cylinder
Capacity:143.60 ccm (8.76 cubic inches)

Physical measures and capacities

Wheelbase1,471 mm (57.9 inches)
Ground clearance390 mm (15.4 inches)
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight90.8 kg (200.2 pounds)

KTM 144 SX dimensions and frame

Exhaust systemAluminium
Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions100/90-19
Front tyre dimensions80/100-21
Rear suspension travel335 mm (13.2 inches)
Rear suspensionWP Monoshock PDS
Front suspension travel300 mm (11.8 inches)
Front suspensionWP USD 48 mm
Rake (fork angle)27.0°
Frame typeCental double-cradle-type 25 CrMo4

Speed and acceleration

Fuel capacity7.50 litres (1.98 gallons)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track60%
City10%
Cornering85%
Daily Riding10%
Touring10%
Passenger5%

Rider Profile

Best ForBest suited to intermediate and expert off-road riders, as this is a full-race two-stroke motocrosser with a peaky, aggressive power delivery rather than a beginner-friendly trail bike.
PurposeBuilt purely for motocross and off-road competition, with a small-bore two-stroke engine designed to be revved hard and ridden aggressively over jumps and rough terrain.
Rider FitExtremely light dry weight and a tall 925mm seat height demand an active, standing riding style and reasonable rider fitness, though the low mass makes it easier to muscle around than a full-size bike.
CharacterA sharp, high-strung two-stroke that rewards clutch control and momentum management with explosive agility and razor-sharp cornering on tight, technical tracks.
Not Ideal ForNot suitable for road use, touring, commuting, or carrying a passenger, as it lacks road-legal equipment, comfort, and any provision for pillion riding.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 KTM 144 SX Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 925mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 KTM 144 SX, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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